SUSE update for the Linux Kernel (Live Patch 27 for SLE 12 SP5)

1) Buffer overflow

EUVDB-ID: #VU60988

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0330

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a random memory access flaw caused by a missing TLB flush in Linux kernel GPU i915 kernel driver functionality. A local user can execute arbitrary code on the system with elevated privileges.

Mitigation

Update the affected package the Linux Kernel (Live Patch 27 for SLE 12 SP5) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 12-SP4 - 12-SP5

kgraft-patch-4_12_14-95_83-default: before 8-2.1

kgraft-patch-4_12_14-95_80-default: before 13-2.1

kgraft-patch-4_12_14-95_77-default: before 15-2.1

kgraft-patch-4_12_14-122_98-default: before 8-2.1

kgraft-patch-4_12_14-122_91-default: before 10-2.1

kgraft-patch-4_12_14-122_77-default: before 14-2.1

kgraft-patch-4_12_14-122_106-default: before 6-2.1

kgraft-patch-4_12_14-122_103-default: before 8-2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-95_83-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-95_80-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-95_77-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-122_98-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-122_91-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-122_77-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-122_106-default:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:kgraft-patch-4_12_14-122_103-default:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20221580-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.